from machine import Pin
from time import sleep
import dht

# Pin konfigurasi
DHT_PIN1 = 15
DHT_PIN2 = 2
DHT_PIN3 = 4
RELAY_PIN = 16

# Inisialisasi sensor DHT
dht1 = dht.DHT22(Pin(DHT_PIN1))
dht2 = dht.DHT22(Pin(DHT_PIN2))
dht3 = dht.DHT22(Pin(DHT_PIN3))

# Inisialisasi relay
relay = Pin(RELAY_PIN, Pin.OUT)
relay.value(0)  # Pastikan relay OFF pada awal

print("MicroPython ESP32 dengan Sensor DHT22 dan Relay")

while True:
    try:
        # Membaca suhu dan kelembaban dari sensor pertama
        dht1.measure()
        temp1 = dht1.temperature()
        hum1 = dht1.humidity()

        # Membaca suhu dan kelembaban dari sensor kedua
        dht2.measure()
        temp2 = dht2.temperature()
        hum2 = dht2.humidity()

        # Membaca suhu dan kelembaban dari sensor ketiga
        dht3.measure()
        temp3 = dht3.temperature()
        hum3 = dht3.humidity()

        # Menampilkan hasil pembacaan
        print("\n=== Pembacaan Sensor ===")
        print(f"Sensor 1 - Suhu: {temp1:.2f} C, Kelembaban: {hum1:.2f} %")
        print(f"Sensor 2 - Suhu: {temp2:.2f} C, Kelembaban: {hum2:.2f} %")
        print(f"Sensor 3 - Suhu: {temp3:.2f} C, Kelembaban: {hum3:.2f} %")

        # Logika pengendalian relay (contoh: suhu rata-rata > 30 C)
        avg_temp = (temp1 + temp2 + temp3) / 3.0
        print(f"Suhu Rata-Rata: {avg_temp:.2f} C")

        if avg_temp > 30.0:
            relay.value(1)  # Nyalakan relay
            print("Relay ON")
        else:
            relay.value(0)  # Matikan relay
            print("Relay OFF")

    except Exception as e:
        print("Gagal membaca sensor:", e)

    sleep(2)  # Delay 2 detik sebelum pembacaan berikutnya